How far and how much mass. You keep posting the most common sense questions. Did you just wake up from a coma
If an animal cell is surrounded by fresh water, the water will move within the cell causing the cell to become turgid and eventually will burst.
Therefore the most suitable answer is option D.
Earth is a closed system because, Earth emits radiation back out across the system, then energy passes across our system making it a closed system. Mass does not though.
HOPE THIS HELPS! ^_^
I believe it is called RNA Synthesis, or in other words RNA Transcription which is included in the replication of DNA.
